Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/9993#discussion_r45958082
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/UDFSuite.scala ---
@@ -233,6 +236,25 @@ class UDFSuite extends QueryTest with SharedSQLContext
{
""".stripMargin).toDF(), complexData.select("m", "a", "b"))
}
+ test("don't collapse UDF in order to avoid recomputing it") {
--- End diff --
I have tried to do that. But as we need to use UDF, we can't do related
import in the unit test such as `ProjectCollapsingSuite`. Any suggestion?
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